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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
There are several layers in the DCS architecture. Which of the levels below would have direct control over the alarming system?
In the protocol specifications of Modbus, there are standard 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the input status registers addresses?
There are several layers in the DCS architecture. Which of the levels below would have direct control over the accounting system?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an disadvantage of using encapsulation?
History management stores an enormous amount of process data. Which of the answers below represents the amount of different types of data stored?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below can best be described as the movement of process conditions from normal to upset, requiring operator action at some point in the future?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below best known for use with USB and bluetooth devices?
Which of the lengths below relates best to a spur cable with 3 field devices connected?
CSMA/CD is used as an access method that uses constructive interference detection for any data collisions. Which of the OSI layers does this detection occur on?
Which of the answers below is best represented by the number "1" on a typical H1 segment?
Which answer below is best described as the RS-232 standard for voltage range to receive a "Mark"?
Model based network devices are at the user level of Ethernet/IP. Information of a capabilities or features of a specified device would be contained in which of the text files below?
With any GUI, there are opportunities to use gathered data visually. Which of the methods below would be best described as one that would allow an operator to retrieve and plot data over an extended time frame?
Which of the messaging types below is best described as direct communication with a field device initiated by the scanner module?
Of the answers below, which would be best for data transmission?
Which of the solutions below is best used with analog transmissions in the field to help prevent errors in transmissions?
In IPv4, there are a range of protocols that can be used at any one time. Which of the protocols below would be best suited for sensitive data transmission?
Redundant capability is critical for any DCS. Which of the availability of redundancy below would have redundant I/O, controllers and networks?
A DDE protocol has 3 components to a "handle". Which of the components below would best be described as the name of a unique data source is contained inside of a DDE topic?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that allows for a data connection to other networks, or RTUs and PLCs?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is used for schools, small localized businesses, and shopping malls?
Which of the answers below best represents the recommended standard that uses an end device circuit to provide the protocols for error detection?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of a holding registers?
There are several stages in the alarm lifecycle. Which of these stages is best for identifying or changing alarms?
Redundant capability is critical for any DCS. Which of the redundancies below would function properly if no faults occur, and will shutdown if one occurs?